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Pandas live in the forest and mountains of southwest China. Each panda needs to eat a lot of bamboo everyday. The bamboo forests are getting smaller. So pandas are losing their home. There are only about1600 pandas in the world today.
The blue Whale lives in ocean around the world. It is the largest animals in the world, but it feeds on one of the smallest animals. Some people kill the whales.
There maybe only about 3000 blue wells left.
1．The blue Whale will live in the rivers.2．The blue whale is the second largest animals in the world.
3．There maybe only about 3000 blue whales left.
4．Pandas feed on bamboo.
5．The bamboo forest are getting smaller.
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
